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opt-in to MTE async mode by cameronaaron · Pull Request #2900 · standardnotes/app

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@cameronaaron

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currently only benefits GrapheneOS users on Pixel 8 and 9 who don't turn on MTE for all apps or Molly manually. hopefully will be extended to all Pixel users and then more devices

currently only benefits GrapheneOS users on Pixel 8 and 9 who don't turn on MTE for all apps or Molly manually. hopefully will be extended to all Pixel users and then more devices

@amanharwara

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could you add more context on what this does?

@cameronaaron

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This change improves the app’s ability to catch memory safety bugs on devices that support ARM’s Memory Tagging Extension, with minimal performance impact. It’s a proactive step toward more robust and secure code, especially important for a widely-used app it will also allow the app to take advantage of the mem tagging in Android 16

@cameronaaron

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I added a similar patch to mullvad that was merged in

@TheAutisticTechie

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TheAutisticTechie commented

Oct 28, 2025

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This would only catch bugs in production. Sync mode needs to be set up for the test environment first as per recommended usage: https://source.android.com/docs/security/test/memory-safety/arm-mte#recommended-use

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@cameronaaron @amanharwara @TheAutisticTechie